./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1dbf57bc124875744eb5a4186252476f73fa3f14ae019c9a9da37b4d1a62cbf1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:05:13,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:05:13,386 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:05:13,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:05:13,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:05:13,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:05:13,437 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:05:13,438 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:05:13,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:05:13,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:05:13,444 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:05:13,445 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:05:13,446 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:05:13,447 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:05:13,448 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:05:13,448 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:05:13,449 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:05:13,449 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:05:13,450 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:05:13,451 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:05:13,451 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:05:13,452 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:05:13,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:05:13,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:05:13,454 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:05:13,455 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:05:13,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:05:13,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:05:13,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:05:13,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:05:13,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:05:13,458 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:05:13,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:05:13,459 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:05:13,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:05:13,460 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:05:13,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:05:13,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:05:13,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:05:13,461 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:05:13,461 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:05:13,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:05:13,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:05:13,465 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:05:13,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:05:13,466 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dbf57bc124875744eb5a4186252476f73fa3f14ae019c9a9da37b4d1a62cbf1 [2023-11-19 05:05:13,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:05:13,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:05:13,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:05:13,816 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:05:13,816 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:05:13,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i [2023-11-19 05:05:16,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:05:17,153 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:05:17,153 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i [2023-11-19 05:05:17,162 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/data/d48cfd9c5/5a953a4e1c2546ff94d61b0f524c6f44/FLAG773528390 [2023-11-19 05:05:17,178 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/data/d48cfd9c5/5a953a4e1c2546ff94d61b0f524c6f44 [2023-11-19 05:05:17,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:05:17,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:05:17,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:05:17,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:05:17,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:05:17,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:05:17" (1/1) ... [2023-11-19 05:05:17,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25173105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:17, skipping insertion in model container [2023-11-19 05:05:17,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:05:17" (1/1) ... [2023-11-19 05:05:17,224 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:05:17,378 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i[916,929] [2023-11-19 05:05:17,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:05:17,461 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:05:17,473 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i[916,929] [2023-11-19 05:05:17,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:05:17,550 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:05:17,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:17 WrapperNode [2023-11-19 05:05:17,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:05:17,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:05:17,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:05:17,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:05:17,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:17" (1/1) ... [2023-11-19 05:05:17,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:17" (1/1) ... [2023-11-19 05:05:17,627 INFO L138 Inliner]: procedures = 29, calls = 157, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 406 [2023-11-19 05:05:17,627 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:05:17,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:05:17,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:05:17,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:05:17,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:17" (1/1) ... [2023-11-19 05:05:17,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:17" (1/1) ... [2023-11-19 05:05:17,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:17" (1/1) ... [2023-11-19 05:05:17,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:17" (1/1) ... [2023-11-19 05:05:17,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:17" (1/1) ... [2023-11-19 05:05:17,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:17" (1/1) ... [2023-11-19 05:05:17,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:17" (1/1) ... [2023-11-19 05:05:17,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:17" (1/1) ... [2023-11-19 05:05:17,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:05:17,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:05:17,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:05:17,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:05:17,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:17" (1/1) ... [2023-11-19 05:05:17,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:05:17,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:05:17,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:05:17,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:05:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:05:17,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 05:05:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:05:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 05:05:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:05:17,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 05:05:17,860 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:05:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:05:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:05:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:05:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:05:18,025 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:05:18,028 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:05:18,699 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:05:19,543 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:05:19,543 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:05:19,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:19 BoogieIcfgContainer [2023-11-19 05:05:19,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:05:19,554 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:05:19,554 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:05:19,558 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:05:19,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:05:17" (1/3) ... [2023-11-19 05:05:19,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b476dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:05:19, skipping insertion in model container [2023-11-19 05:05:19,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:17" (2/3) ... [2023-11-19 05:05:19,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b476dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:05:19, skipping insertion in model container [2023-11-19 05:05:19,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:19" (3/3) ... [2023-11-19 05:05:19,564 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-24.i [2023-11-19 05:05:19,584 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:05:19,585 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:05:19,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:05:19,659 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3900708b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:05:19,660 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:05:19,666 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 05:05:19,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 05:05:19,675 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:19,676 INFO L195 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:05:19,676 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:05:19,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:19,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1934495219, now seen corresponding path program 1 times [2023-11-19 05:05:19,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:05:19,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64276557] [2023-11-19 05:05:19,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:19,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:05:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:05:21,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:05:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:05:23,752 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:05:23,754 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:05:23,756 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:05:23,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:05:23,771 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:05:23,777 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:05:23,846 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 05:05:23,848 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 05:05:23,848 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 05:05:23,850 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 05:05:23,851 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 05:05:23,852 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 05:05:23,852 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-19 05:05:23,860 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-19 05:05:23,861 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 05:05:23,862 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 05:05:23,863 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 05:05:23,865 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 05:05:23,865 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 05:05:23,866 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 05:05:23,866 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 05:05:23,866 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-19 05:05:23,866 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-19 05:05:23,866 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-19 05:05:23,867 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 05:05:23,867 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 05:05:23,868 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 05:05:23,868 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-19 05:05:23,869 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-19 05:05:23,869 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-19 05:05:23,869 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 05:05:23,869 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 05:05:23,875 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 05:05:23,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 05:05:23,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 05:05:23,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 05:05:23,879 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 05:05:23,879 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 05:05:23,881 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 05:05:23,882 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 05:05:23,883 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:05:23,883 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:05:23,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 05:05:23,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 05:05:23,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 05:05:23,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 05:05:23,889 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-19 05:05:23,889 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-19 05:05:23,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:05:23 BoogieIcfgContainer [2023-11-19 05:05:23,920 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:05:23,923 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:05:23,923 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:05:23,923 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:05:23,924 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:19" (3/4) ... [2023-11-19 05:05:23,931 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:05:23,932 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:05:23,933 INFO L158 Benchmark]: Toolchain (without parser) took 6751.36ms. Allocated memory was 123.7MB in the beginning and 239.1MB in the end (delta: 115.3MB). Free memory was 82.1MB in the beginning and 159.5MB in the end (delta: -77.4MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-11-19 05:05:23,934 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 123.7MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:05:23,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.23ms. Allocated memory is still 123.7MB. Free memory was 81.8MB in the beginning and 67.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:05:23,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.71ms. Allocated memory is still 123.7MB. Free memory was 67.3MB in the beginning and 63.7MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:05:23,942 INFO L158 Benchmark]: Boogie Preprocessor took 95.77ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 63.7MB in the beginning and 130.7MB in the end (delta: -67.0MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-19 05:05:23,943 INFO L158 Benchmark]: RCFGBuilder took 1825.25ms. Allocated memory is still 161.5MB. Free memory was 130.7MB in the beginning and 68.4MB in the end (delta: 62.3MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2023-11-19 05:05:23,945 INFO L158 Benchmark]: TraceAbstraction took 4367.08ms. Allocated memory was 161.5MB in the beginning and 239.1MB in the end (delta: 77.6MB). Free memory was 67.3MB in the beginning and 159.5MB in the end (delta: -92.2MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. [2023-11-19 05:05:23,945 INFO L158 Benchmark]: Witness Printer took 9.41ms. Allocated memory is still 239.1MB. Free memory is still 159.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:05:23,954 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 123.7MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.23ms. Allocated memory is still 123.7MB. Free memory was 81.8MB in the beginning and 67.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.71ms. Allocated memory is still 123.7MB. Free memory was 67.3MB in the beginning and 63.7MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.77ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 63.7MB in the beginning and 130.7MB in the end (delta: -67.0MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1825.25ms. Allocated memory is still 161.5MB. Free memory was 130.7MB in the beginning and 68.4MB in the end (delta: 62.3MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4367.08ms. Allocated memory was 161.5MB in the beginning and 239.1MB in the end (delta: 77.6MB). Free memory was 67.3MB in the beginning and 159.5MB in the end (delta: -92.2MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. * Witness Printer took 9.41ms. Allocated memory is still 239.1MB. Free memory is still 159.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someBinaryArithmeticDOUBLEoperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][2] = { {0, 1}, {1, 0} }; [L25-L27] float float_Array_0[2] = { 2.25, 199.4 }; [L28-L30] signed char signed_char_Array_0[5] = { -128, 0, 4, 16, 32 }; [L31-L33] unsigned char unsigned_char_Array_0[1] = { 100 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[2] = { 55182, 0 }; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] FCALL updateLastVariables() [L97] CALL updateVariables() [L62] BOOL_unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L63] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L63] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L64] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L64] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L65] BOOL_unsigned_char_Array_0[0][1] = __VERIFIER_nondet_uchar() [L66] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L67] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L67] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L68] BOOL_unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] EXPR BOOL_unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] float_Array_0[1] = __VERIFIER_nondet_float() [L72] EXPR float_Array_0[1] [L72] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L72] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) [L72] EXPR float_Array_0[1] [L72] EXPR float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F [L72] EXPR float_Array_0[1] [L72] EXPR float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F [L72] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L74] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] CALL assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] signed_char_Array_0[2] = __VERIFIER_nondet_char() [L77] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not(signed_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(signed_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] CALL assume_abort_if_not(signed_char_Array_0[2] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(signed_char_Array_0[2] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] signed_char_Array_0[3] = __VERIFIER_nondet_char() [L80] EXPR signed_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] CALL assume_abort_if_not(signed_char_Array_0[3] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(signed_char_Array_0[3] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] EXPR signed_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] CALL assume_abort_if_not(signed_char_Array_0[3] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(signed_char_Array_0[3] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L83] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] RET updateVariables() [L98] CALL step() [L40] EXPR BOOL_unsigned_char_Array_0[1][1] [L40] COND FALSE !(! BOOL_unsigned_char_Array_0[1][1]) [L43] EXPR BOOL_unsigned_char_Array_0[0][1] [L43] BOOL_unsigned_char_Array_0[0][0] = ((! BOOL_unsigned_char_Array_0[0][1]) || (! (! 0))) [L45] EXPR signed_char_Array_0[2] [L45] unsigned_char_Array_0[0] = signed_char_Array_0[2] [L46] EXPR float_Array_0[1] [L46] float_Array_0[0] = float_Array_0[1] [L47] EXPR signed_char_Array_0[3] [L47] signed_char_Array_0[0] = signed_char_Array_0[3] [L48] EXPR BOOL_unsigned_char_Array_0[0][0] [L48] BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0]) [L48] EXPR float_Array_0[0] [L48] BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0]) [L48] COND FALSE !(BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) [L55] EXPR signed_char_Array_0[3] [L55] signed_char_Array_0[4] = signed_char_Array_0[3] [L57] EXPR float_Array_0[0] [L57] EXPR float_Array_0[0] [L57] EXPR (((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)) [L57] EXPR float_Array_0[0] [L57] EXPR (((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)) [L57] EXPR float_Array_0[0] [L57] COND FALSE !((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) [L98] RET step() [L99] CALL, EXPR property() [L89] EXPR BOOL_unsigned_char_Array_0[0][0] [L89] EXPR BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0]) [L89] EXPR float_Array_0[0] [L89] EXPR BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0]) [L89] EXPR (BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3])) [L89] EXPR signed_char_Array_0[4] [L89] EXPR signed_char_Array_0[3] [L89] EXPR (BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3])) [L89] EXPR ((BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3]))) && (((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1) [L89] EXPR float_Array_0[0] [L89] EXPR float_Array_0[0] [L89] EXPR (((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)) [L89] EXPR float_Array_0[0] [L89] EXPR (((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)) [L89] EXPR float_Array_0[0] [L89] EXPR ((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1 [L89] EXPR unsigned_short_int_Array_0[1] [L89] EXPR unsigned_short_int_Array_0[0] [L89] EXPR signed_char_Array_0[2] [L89] EXPR unsigned_char_Array_0[0] [L89] EXPR (((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]) [L89] EXPR unsigned_char_Array_0[0] [L89] EXPR (((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]) [L89] EXPR ((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1 [L89] EXPR ((BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3]))) && (((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1) [L89] EXPR (((BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3]))) && (((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1)) && ((! BOOL_unsigned_char_Array_0[1][1]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) ((! BOOL_unsigned_char_Array_0[0][1]) || (! (! 0)))))) [L89] EXPR ((((BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3]))) && (((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1)) && ((! BOOL_unsigned_char_Array_0[1][1]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) ((! BOOL_unsigned_char_Array_0[0][1]) || (! (! 0))))))) && (unsigned_char_Array_0[0] == ((unsigned char) signed_char_Array_0[2])) [L89] EXPR (((((BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3]))) && (((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1)) && ((! BOOL_unsigned_char_Array_0[1][1]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) ((! BOOL_unsigned_char_Array_0[0][1]) || (! (! 0))))))) && (unsigned_char_Array_0[0] == ((unsigned char) signed_char_Array_0[2]))) && (float_Array_0[0] == ((float) float_Array_0[1])) [L89] EXPR ((((((BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3]))) && (((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1)) && ((! BOOL_unsigned_char_Array_0[1][1]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) ((! BOOL_unsigned_char_Array_0[0][1]) || (! (! 0))))))) && (unsigned_char_Array_0[0] == ((unsigned char) signed_char_Array_0[2]))) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[3])) [L89-L90] return ((((((BOOL_unsigned_char_Array_0[0][0] || (64.75f < float_Array_0[0])) ? (BOOL_unsigned_char_Array_0[0][0] ? (signed_char_Array_0[4] == ((signed char) (signed_char_Array_0[3] - signed_char_Array_0[2]))) : (signed_char_Array_0[4] == ((signed char) ((((((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) < (signed_char_Array_0[1])) ? (((((signed_char_Array_0[3]) > (signed_char_Array_0[2])) ? (signed_char_Array_0[3]) : (signed_char_Array_0[2])))) : (signed_char_Array_0[1])))))) : (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[3]))) && (((((((float_Array_0[0] * 127.75)) > ((float_Array_0[0] / 3.4))) ? ((float_Array_0[0] * 127.75)) : ((float_Array_0[0] / 3.4)))) >= float_Array_0[0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) < (unsigned_char_Array_0[0])) ? ((unsigned_short_int_Array_0[0] - (22925 - signed_char_Array_0[2]))) : (unsigned_char_Array_0[0]))))) : 1)) && ((! BOOL_unsigned_char_Array_0[1][1]) ? (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) BOOL_unsigned_char_Array_0[1][0])) : (BOOL_unsigned_char_Array_0[0][0] == ((unsigned char) ((! BOOL_unsigned_char_Array_0[0][1]) || (! (! 0))))))) && (unsigned_char_Array_0[0] == ((unsigned char) signed_char_Array_0[2]))) && (float_Array_0[0] == ((float) float_Array_0[1]))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[3])) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:05:24,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1dbf57bc124875744eb5a4186252476f73fa3f14ae019c9a9da37b4d1a62cbf1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:05:26,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:05:26,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:05:26,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:05:26,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:05:26,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:05:26,934 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:05:26,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:05:26,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:05:26,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:05:26,938 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:05:26,939 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:05:26,939 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:05:26,940 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:05:26,940 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:05:26,940 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:05:26,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:05:26,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:05:26,942 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:05:26,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:05:26,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:05:26,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:05:26,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:05:26,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:05:26,945 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:05:26,945 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:05:26,946 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:05:26,946 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:05:26,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:05:26,947 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:05:26,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:05:26,949 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:05:26,949 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:05:26,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:05:26,950 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:05:26,950 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:05:26,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:05:26,951 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:05:26,951 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:05:26,952 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:05:26,952 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:05:26,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:05:26,953 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dbf57bc124875744eb5a4186252476f73fa3f14ae019c9a9da37b4d1a62cbf1 [2023-11-19 05:05:27,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:05:27,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:05:27,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:05:27,362 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:05:27,362 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:05:27,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i [2023-11-19 05:05:30,519 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:05:30,822 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:05:30,822 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i [2023-11-19 05:05:30,834 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/data/96c2b847a/aff1b1ee5dfe45f5944d3a1645bbd4be/FLAG64f703f02 [2023-11-19 05:05:30,850 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/data/96c2b847a/aff1b1ee5dfe45f5944d3a1645bbd4be [2023-11-19 05:05:30,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:05:30,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:05:30,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:05:30,855 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:05:30,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:05:30,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:05:30" (1/1) ... [2023-11-19 05:05:30,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12bbea19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:30, skipping insertion in model container [2023-11-19 05:05:30,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:05:30" (1/1) ... [2023-11-19 05:05:30,893 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:05:31,050 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i[916,929] [2023-11-19 05:05:31,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:05:31,149 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:05:31,161 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-24.i[916,929] [2023-11-19 05:05:31,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:05:31,255 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:05:31,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31 WrapperNode [2023-11-19 05:05:31,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:05:31,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:05:31,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:05:31,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:05:31,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,365 INFO L138 Inliner]: procedures = 33, calls = 157, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 403 [2023-11-19 05:05:31,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:05:31,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:05:31,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:05:31,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:05:31,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:05:31,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:05:31,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:05:31,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:05:31,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (1/1) ... [2023-11-19 05:05:31,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:05:31,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:05:31,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:05:31,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:05:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:05:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 05:05:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 05:05:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:05:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 05:05:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 05:05:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 05:05:31,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 05:05:31,605 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:05:31,606 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:05:31,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:05:31,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:05:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 05:05:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 05:05:31,760 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:05:31,763 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:05:42,172 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:05:42,182 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:05:42,183 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:05:42,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:42 BoogieIcfgContainer [2023-11-19 05:05:42,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:05:42,191 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:05:42,192 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:05:42,195 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:05:42,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:05:30" (1/3) ... [2023-11-19 05:05:42,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45812478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:05:42, skipping insertion in model container [2023-11-19 05:05:42,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:31" (2/3) ... [2023-11-19 05:05:42,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45812478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:05:42, skipping insertion in model container [2023-11-19 05:05:42,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:42" (3/3) ... [2023-11-19 05:05:42,202 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-24.i [2023-11-19 05:05:42,223 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:05:42,224 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:05:42,317 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:05:42,322 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5e436de2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:05:42,322 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:05:42,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 83 states have (on average 1.3975903614457832) internal successors, (116), 84 states have internal predecessors, (116), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 05:05:42,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-19 05:05:42,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:42,344 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:05:42,344 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:05:42,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:42,349 INFO L85 PathProgramCache]: Analyzing trace with hash 517644707, now seen corresponding path program 1 times [2023-11-19 05:05:42,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:05:42,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1830875909] [2023-11-19 05:05:42,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:42,363 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:05:42,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:05:42,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:05:42,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:05:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:05:43,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:05:43,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:05:43,795 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2023-11-19 05:05:43,795 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:05:43,796 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:05:43,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1830875909] [2023-11-19 05:05:43,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1830875909] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:05:43,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:05:43,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:05:43,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916017614] [2023-11-19 05:05:43,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:05:43,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:05:43,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:05:43,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:05:43,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:05:43,837 INFO L87 Difference]: Start difference. First operand has 101 states, 83 states have (on average 1.3975903614457832) internal successors, (116), 84 states have internal predecessors, (116), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 05:05:43,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:05:43,873 INFO L93 Difference]: Finished difference Result 195 states and 301 transitions. [2023-11-19 05:05:43,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:05:43,875 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 124 [2023-11-19 05:05:43,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:05:43,884 INFO L225 Difference]: With dead ends: 195 [2023-11-19 05:05:43,884 INFO L226 Difference]: Without dead ends: 97 [2023-11-19 05:05:43,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:05:43,892 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:05:43,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:05:43,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-19 05:05:43,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-19 05:05:43,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 80 states have (on average 1.3625) internal successors, (109), 80 states have internal predecessors, (109), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 05:05:43,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2023-11-19 05:05:43,943 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 124 [2023-11-19 05:05:43,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:05:43,944 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2023-11-19 05:05:43,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 05:05:43,945 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2023-11-19 05:05:43,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-19 05:05:43,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:43,949 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:05:43,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 05:05:44,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:05:44,173 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:05:44,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:44,174 INFO L85 PathProgramCache]: Analyzing trace with hash -94639779, now seen corresponding path program 1 times [2023-11-19 05:05:44,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:05:44,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301975292] [2023-11-19 05:05:44,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:44,176 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:05:44,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:05:44,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:05:44,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:05:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:05:45,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:05:45,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:05:45,766 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-11-19 05:05:45,766 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:05:45,767 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:05:45,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1301975292] [2023-11-19 05:05:45,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1301975292] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:05:45,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:05:45,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:05:45,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664531530] [2023-11-19 05:05:45,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:05:45,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:05:45,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:05:45,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:05:45,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:05:45,772 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 05:05:46,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:05:46,136 INFO L93 Difference]: Finished difference Result 197 states and 284 transitions. [2023-11-19 05:05:46,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:05:46,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 124 [2023-11-19 05:05:46,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:05:46,140 INFO L225 Difference]: With dead ends: 197 [2023-11-19 05:05:46,140 INFO L226 Difference]: Without dead ends: 103 [2023-11-19 05:05:46,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:05:46,143 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 10 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:05:46,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 402 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 05:05:46,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-19 05:05:46,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2023-11-19 05:05:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 82 states have (on average 1.353658536585366) internal successors, (111), 82 states have internal predecessors, (111), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 05:05:46,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2023-11-19 05:05:46,162 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 124 [2023-11-19 05:05:46,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:05:46,162 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2023-11-19 05:05:46,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 05:05:46,163 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-19 05:05:46,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-19 05:05:46,166 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:46,166 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:05:46,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:05:46,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:05:46,389 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:05:46,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:46,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1419495973, now seen corresponding path program 1 times [2023-11-19 05:05:46,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:05:46,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300469442] [2023-11-19 05:05:46,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:46,392 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:05:46,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:05:46,393 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:05:46,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:05:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:05:47,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:05:47,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:05:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 05:05:47,790 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:05:47,791 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:05:47,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300469442] [2023-11-19 05:05:47,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300469442] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:05:47,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:05:47,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:05:47,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712212400] [2023-11-19 05:05:47,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:05:47,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:05:47,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:05:47,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:05:47,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:05:47,796 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 05:05:47,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:05:47,963 INFO L93 Difference]: Finished difference Result 196 states and 281 transitions. [2023-11-19 05:05:47,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:05:47,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2023-11-19 05:05:47,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:05:47,968 INFO L225 Difference]: With dead ends: 196 [2023-11-19 05:05:47,968 INFO L226 Difference]: Without dead ends: 100 [2023-11-19 05:05:47,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:05:47,971 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:05:47,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:05:47,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-19 05:05:47,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2023-11-19 05:05:47,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 83 states have internal predecessors, (112), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 05:05:48,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 142 transitions. [2023-11-19 05:05:48,001 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 142 transitions. Word has length 124 [2023-11-19 05:05:48,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:05:48,003 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 142 transitions. [2023-11-19 05:05:48,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 05:05:48,008 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 142 transitions. [2023-11-19 05:05:48,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-19 05:05:48,011 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:48,011 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:05:48,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:05:48,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:05:48,230 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:05:48,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:48,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1070032989, now seen corresponding path program 1 times [2023-11-19 05:05:48,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:05:48,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1269319098] [2023-11-19 05:05:48,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:48,232 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:05:48,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:05:48,236 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:05:48,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 05:05:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:05:49,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:05:49,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:05:49,614 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 05:05:49,615 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:05:49,615 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:05:49,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1269319098] [2023-11-19 05:05:49,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1269319098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:05:49,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:05:49,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:05:49,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390342946] [2023-11-19 05:05:49,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:05:49,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:05:49,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:05:49,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:05:49,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:05:49,620 INFO L87 Difference]: Start difference. First operand 100 states and 142 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 05:05:49,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:05:49,755 INFO L93 Difference]: Finished difference Result 217 states and 311 transitions. [2023-11-19 05:05:49,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:05:49,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2023-11-19 05:05:49,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:05:49,758 INFO L225 Difference]: With dead ends: 217 [2023-11-19 05:05:49,758 INFO L226 Difference]: Without dead ends: 120 [2023-11-19 05:05:49,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:05:49,761 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 40 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:05:49,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 286 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:05:49,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-19 05:05:49,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 101. [2023-11-19 05:05:49,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 84 states have (on average 1.3452380952380953) internal successors, (113), 84 states have internal predecessors, (113), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 05:05:49,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions. [2023-11-19 05:05:49,779 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 124 [2023-11-19 05:05:49,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:05:49,780 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 143 transitions. [2023-11-19 05:05:49,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 05:05:49,780 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2023-11-19 05:05:49,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-19 05:05:49,788 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:49,788 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:05:49,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-19 05:05:50,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:05:50,001 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:05:50,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:50,002 INFO L85 PathProgramCache]: Analyzing trace with hash 48964635, now seen corresponding path program 1 times [2023-11-19 05:05:50,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:05:50,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132242565] [2023-11-19 05:05:50,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:50,004 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:05:50,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:05:50,005 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:05:50,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 05:05:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:05:51,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:05:51,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:05:51,752 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 05:05:51,752 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:05:51,753 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:05:51,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132242565] [2023-11-19 05:05:51,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2132242565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:05:51,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:05:51,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:05:51,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614790432] [2023-11-19 05:05:51,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:05:51,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:05:51,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:05:51,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:05:51,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:05:51,757 INFO L87 Difference]: Start difference. First operand 101 states and 143 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 05:05:52,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:05:52,590 INFO L93 Difference]: Finished difference Result 220 states and 313 transitions. [2023-11-19 05:05:52,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:05:52,591 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2023-11-19 05:05:52,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:05:52,594 INFO L225 Difference]: With dead ends: 220 [2023-11-19 05:05:52,594 INFO L226 Difference]: Without dead ends: 122 [2023-11-19 05:05:52,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:05:52,597 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 46 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:05:52,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 528 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 05:05:52,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-19 05:05:52,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 105. [2023-11-19 05:05:52,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 88 states have (on average 1.3295454545454546) internal successors, (117), 88 states have internal predecessors, (117), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 05:05:52,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 147 transitions. [2023-11-19 05:05:52,612 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 147 transitions. Word has length 124 [2023-11-19 05:05:52,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:05:52,613 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 147 transitions. [2023-11-19 05:05:52,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 05:05:52,613 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 147 transitions. [2023-11-19 05:05:52,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-19 05:05:52,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:52,616 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:05:52,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-19 05:05:52,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:05:52,822 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:05:52,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:52,822 INFO L85 PathProgramCache]: Analyzing trace with hash 729023005, now seen corresponding path program 1 times [2023-11-19 05:05:52,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:05:52,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1134898560] [2023-11-19 05:05:52,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:52,824 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:05:52,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:05:52,826 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:05:52,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-19 05:05:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:05:54,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:05:54,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:05:54,707 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 05:05:54,708 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:05:54,708 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:05:54,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1134898560] [2023-11-19 05:05:54,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1134898560] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:05:54,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:05:54,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:05:54,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219803287] [2023-11-19 05:05:54,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:05:54,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:05:54,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:05:54,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:05:54,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:05:54,712 INFO L87 Difference]: Start difference. First operand 105 states and 147 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 05:05:56,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:05:56,115 INFO L93 Difference]: Finished difference Result 227 states and 318 transitions. [2023-11-19 05:05:56,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 05:05:56,116 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2023-11-19 05:05:56,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:05:56,117 INFO L225 Difference]: With dead ends: 227 [2023-11-19 05:05:56,118 INFO L226 Difference]: Without dead ends: 125 [2023-11-19 05:05:56,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:05:56,119 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 49 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 05:05:56,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 653 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 05:05:56,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-19 05:05:56,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 107. [2023-11-19 05:05:56,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 90 states have (on average 1.3222222222222222) internal successors, (119), 90 states have internal predecessors, (119), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 05:05:56,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 149 transitions. [2023-11-19 05:05:56,131 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 149 transitions. Word has length 124 [2023-11-19 05:05:56,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:05:56,132 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 149 transitions. [2023-11-19 05:05:56,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 05:05:56,132 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 149 transitions. [2023-11-19 05:05:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-19 05:05:56,134 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:56,134 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:05:56,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-19 05:05:56,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:05:56,357 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:05:56,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:56,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1790936929, now seen corresponding path program 1 times [2023-11-19 05:05:56,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:05:56,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535641831] [2023-11-19 05:05:56,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:56,359 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:05:56,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:05:56,360 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:05:56,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-19 05:05:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:05:57,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:05:57,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:05:58,284 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 05:05:58,284 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:05:58,284 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:05:58,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535641831] [2023-11-19 05:05:58,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535641831] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:05:58,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:05:58,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 05:05:58,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509668294] [2023-11-19 05:05:58,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:05:58,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:05:58,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:05:58,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:05:58,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:05:58,288 INFO L87 Difference]: Start difference. First operand 107 states and 149 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 05:06:00,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:06:00,480 INFO L93 Difference]: Finished difference Result 230 states and 318 transitions. [2023-11-19 05:06:00,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 05:06:00,481 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2023-11-19 05:06:00,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:06:00,484 INFO L225 Difference]: With dead ends: 230 [2023-11-19 05:06:00,484 INFO L226 Difference]: Without dead ends: 126 [2023-11-19 05:06:00,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-19 05:06:00,486 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 40 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:06:00,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 771 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 05:06:00,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-19 05:06:00,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 109. [2023-11-19 05:06:00,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 92 states have (on average 1.315217391304348) internal successors, (121), 92 states have internal predecessors, (121), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 05:06:00,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 151 transitions. [2023-11-19 05:06:00,498 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 151 transitions. Word has length 124 [2023-11-19 05:06:00,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:06:00,499 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 151 transitions. [2023-11-19 05:06:00,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 05:06:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 151 transitions. [2023-11-19 05:06:00,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-19 05:06:00,502 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:00,502 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:06:00,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-19 05:06:00,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:06:00,728 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:00,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:00,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1789089887, now seen corresponding path program 1 times [2023-11-19 05:06:00,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:06:00,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2022960618] [2023-11-19 05:06:00,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:00,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:06:00,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:06:00,731 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:06:00,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fdf5a09-258b-40c9-87a4-b644b64ebd41/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-19 05:06:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:03,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 05:06:03,229 INFO L285 TraceCheckSpWp]: Computing forward predicates...